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Insect Enemies m the Natural Control of the Lodgepole Needle Miner1

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An arthropod complex—mainly parasitic insects—is associated with infestations of the lodgepole needle miner, Coleotechnites milleri (Busck), in lodgepole pine, Pinus contorta var murrayana, in Yosemite National Park, Calif. Evaluations of more than 5 host generations studied between 1954 and 1965 suggest that these parasites have low potential for natural control. Parasitism was disclosed in 2 phases among the 5 host larval instars: predominance of (1) culophids in all insttars, and of (2) encyrtids in the 5th instar at pupation. The effectiveness of needle miner parasites may be impaired by a concurrent complex of insect hyperparasites.

Document Type: Research Article

Publication date: February 1, 1967

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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